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Down Counter with Seven Segment Display using 8051

Down Counter with Seven Segment Display using 8051

By:Hammad, Abdul Samad, Muhammad Raza, Abdul Rauf, Sajjad Buledi.

Introduction

Down counter with seven segment display using 8051 ic. This counter counts down from '9-0' when we press the button.

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Working

This is a circuit of simple down counter with seven segment display using 8051 micro controller IC. The main principle of this circuit is to decrements the values on seven segment display by pressing the button. When button is pressed value on the display is decremented by one value.The value on the display can be decremented from '9-0'. Down counter is used for counting number of objects passed through a point.It is used to count number of persons exiting a room.

Source Code

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